Aluminium oxide is an amphoteric substance, meaning it can react with both acids and bases, such as hydrofluoric acid and sodium hydroxide, acting as an acid with a base and a base with an acid, neutralising the other and producing a salt.
A 0693 (OTTO) Aluminium oxide (α-phase) 99.9% Cas no 1344-28-1 - used in a variety of plastics, rubber, ceramics, refractory products for reinforcement toughening. It is also useful to produce artificial ruby, sapphire, yttrium aluminum garnet. It is useful in the field of fiber fabric products and high pressure sodium lamp as far-infrared emission and thermal insulation materials. It is useful for the C single crystal detectors. It plays an important role for the hydrogenation of aromatic hydrocarbons.